Smuczyński, Wojciech, Maciej Śniegocki, Kamila Woźniak, Zygmunt Siedlecki, Aleksandra Pawlicka, and Marcin Grela. “Pain Caused by the Iliopsoas Muscle Injury. Case Study”. Medical and Biological Sciences 27, no. 4 (April 8, 2014): 59–61. Accessed February 7, 2025. https://apcz.umk.pl/MBS/article/view/mbs-2013-0037.